Cities and Towns in Williamson County, Illinois

Founded in 1839, Williamson County is one of 102 counties in the state of Illinois. Historically, Williamson County was formed from Franklin County. The city of Marion is the county seat. With FIPS code of 199, Williamson County has a population of 66,879 and area of 420 square miles (1,088 km²).

List of all cities in Williamson County, IL alphabetically

City/Town Postal Code Area Code
Attila, IL 62974 618/730
Blairsville, IL 62918 618/730
Cambria, IL 62915 618/730
Carterville, IL 62918 618/730
Colp, IL 62921 618/730
Crainville, IL 62918 618/730
Creal Springs, IL 62922 618/730
Dewmaine, IL 62918 618/730
Egyptian Hills, IL 62922 618/730
Egyptian Shores, IL 62922 618/730
Energy, IL 62933 618/730
Ferges, IL 62951 618/730
Fergestown, IL 62951 618/730
Freeman Spur, IL 62841 618/730
Hafer, IL 62918 618/730
Herrin, IL 62948 618/730
Hurst, IL 62949 618/730
Johnston City, IL 62951 618/730
Lake Crest, IL 62922 618/730
Marion, IL 62959 618/730
New Camp, IL 62921 618/730
Old Camp, IL 62921 618/730
Paineville, IL 62948 618/730
Pittsburg, IL 62974 618/730
Shakerag, IL 62951 618/730

Major Cities and Towns in Williamson County, Illinois

1. Marion

Area, Population, Zip Codes, Latitude and Longitude

  • Area: 17.12 square miles
  • Population: Approximately 17,500 (2020 Census)
  • Zip Codes: 62959
  • Latitude: 37.7306° N
  • Longitude: 88.9331° W

Location and History

Marion is located in southern Illinois and serves as the county seat of Williamson County. Positioned at the intersection of Interstate 57 and Illinois Route 13, Marion is often referred to as the “Hub of the Universe” due to its role as a commercial and economic center for the region. Founded in 1839, Marion was named after General Francis Marion, a Revolutionary War hero. Historically, the city grew due to its rich agricultural surroundings and coal mining in the region. In the 20th century, Marion expanded with the development of retail centers and manufacturing industries, making it a central hub for nearby rural communities. Its location along key transportation routes has also played a significant role in its development.

Major Schools and Landmarks

Marion is home to Marion High School, part of the Marion Unit #2 School District, which serves as the primary educational institution for the city’s youth. John A. Logan College, located just outside the city, provides higher education opportunities for residents. Marion’s most notable landmarks include the Marion Cultural and Civic Center, which hosts a variety of performances and community events, and the Williamson County Historical Museum, which preserves the county’s rich past. Additionally, the Crab Orchard National Wildlife Refuge offers outdoor recreation opportunities, including hiking, fishing, and bird watching, just minutes from downtown Marion.

2. Herrin

Area, Population, Zip Codes, Latitude and Longitude

  • Area: 9.92 square miles
  • Population: Approximately 12,500 (2020 Census)
  • Zip Codes: 62948
  • Latitude: 37.8031° N
  • Longitude: 89.0273° W

Location and History

Herrin is located in northern Williamson County, just a few miles west of Marion. The city was founded in the late 1800s as a small coal mining town and was incorporated in 1900. Herrin’s growth was fueled by the Illinois coal boom, attracting workers and their families to the area. In the early 20th century, the city gained notoriety due to the infamous Herrin Massacre of 1922, a violent labor dispute related to coal mining. Despite this dark chapter, Herrin has since transformed into a thriving city with a rich cultural heritage. Over the years, Herrin has become a central location for shopping, dining, and other amenities for surrounding rural communities.

Major Schools and Landmarks

Herrin High School, part of the Herrin Unit School District #4, is the main educational institution in the city. The Herrin City Library is a vital cultural resource for residents. Key landmarks in Herrin include the Herrin City Park, which hosts the annual HerrinFesta Italiana, a week-long festival celebrating the city’s Italian heritage. Another important site is the Veterans Memorial, which honors local servicemen and women. The proximity to Crab Orchard Lake provides residents with opportunities for fishing, boating, and other outdoor activities, contributing to Herrin’s strong sense of community.

3. Carterville

Area, Population, Zip Codes, Latitude and Longitude

  • Area: 5.58 square miles
  • Population: Approximately 5,800 (2020 Census)
  • Zip Codes: 62918
  • Latitude: 37.7607° N
  • Longitude: 89.0779° W

Location and History

Carterville is situated between Marion and Carbondale along Illinois Route 13, making it a key part of the Southern Illinois region. The city was founded in the mid-19th century and quickly developed due to its location near rich coal deposits, which attracted a growing population of miners. Over time, Carterville evolved into a more residential community while still maintaining its small-town charm. The city also benefited from the growth of John A. Logan College, which is located just outside its borders. Today, Carterville continues to thrive as a suburban community with easy access to nearby urban centers like Carbondale and Marion.

Major Schools and Landmarks

Carterville is served by the Carterville Community Unit School District #5, with Carterville High School being the main secondary institution. John A. Logan College, a prominent community college, is a significant educational and economic driver in the area. Major landmarks include Cannon Park, which features sports facilities, walking trails, and hosts community events. Carterville also boasts proximity to Crab Orchard National Wildlife Refuge, providing residents with recreational opportunities such as hiking and wildlife observation. The downtown area has retained much of its historical charm, with several preserved buildings and local businesses contributing to the city’s quaint atmosphere.

4. Johnston City

Area, Population, Zip Codes, Latitude and Longitude

  • Area: 2.16 square miles
  • Population: Approximately 3,300 (2020 Census)
  • Zip Codes: 62951
  • Latitude: 37.8189° N
  • Longitude: 88.9270° W

Location and History

Johnston City is located in the northern part of Williamson County, just north of Marion along Interstate 57. The town was established in the late 19th century and experienced rapid growth due to the nearby coal mines. Like many other cities in the region, Johnston City’s early economy revolved around coal mining, which attracted workers from across the country. By the early 20th century, it had developed into a bustling mining town, but as the demand for coal decreased, the town transitioned into a quieter residential community. Despite its smaller size, Johnston City retains a strong sense of history and community.

Major Schools and Landmarks

Johnston City is part of the Johnston City Community Unit School District #1, with Johnston City High School serving the area’s secondary students. The town features several parks, including Arrowhead Lake Campground, a popular destination for fishing, camping, and outdoor recreation. Another local landmark is the Johnston City Public Library, which has served the community since the early 20th century. The downtown area reflects the city’s coal mining history, with several historical buildings still in use. Johnston City also hosts annual events such as the Johnston City Fall Festival, which brings the community together to celebrate its heritage.

5. Creal Springs

Area, Population, Zip Codes, Latitude and Longitude

  • Area: 1.03 square miles
  • Population: Approximately 700 (2020 Census)
  • Zip Codes: 62922
  • Latitude: 37.6195° N
  • Longitude: 88.8392° W

Location and History

Creal Springs is a small town located in the southeastern part of Williamson County. It was founded in the late 1800s and gained initial popularity due to its natural springs, which were believed to have healing properties. As a result, the town briefly became a destination for health tourism, attracting visitors seeking the therapeutic benefits of the mineral waters. However, as interest in the springs waned, Creal Springs evolved into a quiet, rural town. Today, it is known for its peaceful atmosphere and scenic surroundings, making it an appealing place for those seeking a slower pace of life.

Major Schools and Landmarks

Creal Springs is served by the Marion Community Unit School District #2, with students attending schools in nearby Marion. The town is home to Creal Springs Park, a popular spot for picnics and outdoor activities, offering a glimpse of the area’s natural beauty. The Creal Springs Seminary, now a historic building, was once an important educational institution in the area. Additionally, the town’s proximity to the Shawnee National Forest offers residents and visitors access to a vast expanse of wilderness for hiking, camping, and exploring. The town’s annual Creal Springs Homecoming Days festival celebrates its history and fosters a sense of community.